From nobody Fri Dec 19 16:04:56 2025 Received: from metis.whiteo.stw.pengutronix.de (metis.whiteo.stw.pengutronix.de [185.203.201.7]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 54EC6182DD for ; Wed, 24 Jan 2024 09:22:16 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=185.203.201.7 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1706088139; cv=none; b=nkrA8PqaSeF/lrCESrlfelInC9Y8mWPXJdF1LE+cB/6vko0wpPpmlpY+rxn3ZLcMtrONEQO52oB+m2CmeDGxDcXrwwmGLaHlErkzqsTXBtTQ+ew2q7rq2Na3HsxvwMZaVEycMZQNHo8q4N39H09veqfno5Z+3BS6rMgqDlocX1s= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1706088139; c=relaxed/simple; bh=gTxMQ79WM4+Bgd8zZMM56EUrCyCWvyJbnhR1hUQbHe4=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=dHXsjuguaWcYy8OirtYu261HCVjeGPIuXsKcYe4R9kUceNYjPiDUMGZRkyBI9BwPpMkKuZEEJbCPJXgtirD1GYEE6yIG7Pdpr9BtCJh6+kkHrQyRRGN8WombELeZtV5eZvpcow7kVxkjoEV2ykmVQbcLsvWkqJpina+5OsTK09E= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=pengutronix.de; spf=pass smtp.mailfrom=pengutronix.de; arc=none smtp.client-ip=185.203.201.7 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=pengutronix.de Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=pengutronix.de Received: from dude05.red.stw.pengutronix.de ([2a0a:edc0:0:1101:1d::54]) by metis.whiteo.stw.pengutronix.de with esmtp (Exim 4.92) (envelope-from ) id 1rSZSW-0002bS-S0; Wed, 24 Jan 2024 10:22:12 +0100 From: Philipp Zabel Date: Wed, 24 Jan 2024 10:22:09 +0100 Subject: [PATCH 2/2] drm/etnaviv: Disable SH_EU clock gating on VIPNano-Si+ Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20240124-etnaviv-npu-v1-2-a5aaf64aec65@pengutronix.de> References: <20240124-etnaviv-npu-v1-0-a5aaf64aec65@pengutronix.de> In-Reply-To: <20240124-etnaviv-npu-v1-0-a5aaf64aec65@pengutronix.de> To: Lucas Stach , Russell King , Christian Gmeiner , David Airlie , Daniel Vetter Cc: etnaviv@lists.freedesktop.org, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, Philipp Zabel X-Mailer: b4 0.13-dev-f0463 X-SA-Exim-Connect-IP: 2a0a:edc0:0:1101:1d::54 X-SA-Exim-Mail-From: p.zabel@pengutronix.de X-SA-Exim-Scanned: No (on metis.whiteo.stw.pengutronix.de); SAEximRunCond expanded to false X-PTX-Original-Recipient: linux-kernel@vger.kernel.org Disable SH_EU clock gating for the VIPNano-Si+ NPU on i.MX8MP. Taken from linux-imx lf-6.1.36-2.1.0, specifically [1]. [1] https://github.com/nxp-imx/linux-imx/blob/lf-6.1.36-2.1.0/drivers/mxc/g= pu-viv/hal/kernel/arch/gc_hal_kernel_hardware.c#L2747-L2761 Signed-off-by: Philipp Zabel --- drivers/gpu/drm/etnaviv/etnaviv_gpu.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/gpu/drm/etnaviv/etnaviv_gpu.c b/drivers/gpu/drm/etnavi= v/etnaviv_gpu.c index 9b8445d2a128..e28332a2560d 100644 --- a/drivers/gpu/drm/etnaviv/etnaviv_gpu.c +++ b/drivers/gpu/drm/etnaviv/etnaviv_gpu.c @@ -641,6 +641,10 @@ static void etnaviv_gpu_enable_mlcg(struct etnaviv_gpu= *gpu) pmc |=3D VIVS_PM_MODULE_CONTROLS_DISABLE_MODULE_CLOCK_GATING_SE | VIVS_PM_MODULE_CONTROLS_DISABLE_MODULE_CLOCK_GATING_RA; =20 + /* Disable SH_EU clock gating on affected core revisions. */ + if (etnaviv_is_model_rev(gpu, GC8000, 0x8002)) + pmc |=3D VIVS_PM_MODULE_CONTROLS_DISABLE_MODULE_CLOCK_GATING_SH_EU; + pmc |=3D VIVS_PM_MODULE_CONTROLS_DISABLE_MODULE_CLOCK_GATING_RA_HZ; pmc |=3D VIVS_PM_MODULE_CONTROLS_DISABLE_MODULE_CLOCK_GATING_RA_EZ; =20 --=20 2.39.2